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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K4RBC callsign genealogy

Currently held by Star Amateur Radio Club

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by K4RBC's current licensee, walking backwards.

  1. KJ4ZZWcancelled
    Star Amateur Radio ClubALgranted 2011-01-31cancelled 2011-02-19

Successor callsigns

Callsigns held now by people who previously held K4RBC.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4RBC, oldest first.

  • RAINBOW CITY AMATEUR RADIO CLUB AL
    1996-12-03 → cancelled 2008-12-04
  • Star Amateur Radio Club AL
    2021-02-26 active